Silicon has long been established as the material of choice for the microelectronics industry.
This is not yet true in photonics, where the limited degrees of freedom in material design …

The optics of correlated disordered media is a conceptually rich research topic emerging at
the interface between the physics of waves in complex media and nanophotonics. Inspired …

Photovoltaic systems have reached impressive efficiencies, with records in the range of 20–
30% for single-junction cells based on many different materials, yet the fundamental …

Controlling the flux of photons is crucial in many areas of science and technology. Artificial
materials with nano-scale modulation of the refractive index, such as photonic crystals, are …

The wings of the black butterfly, Pachliopta aristolochiae, are covered by micro-and
nanostructured scales that harvest sunlight over a wide spectral and angular range …

Radiative cooling is a promising passive cooling phenomenon. For the heat dissipation of
silicon solar cells, radiative cooling emitters require high transmittance in the wavelength …

The effect of periodic and disordered photonic structures on the absorption efficiency of
amorphous and crystalline Silicon thin-film solar cells is investigated numerically. We show …

A large variety of different strategies has been proposed as alternatives to random textures
to improve light coupling into solar cells. While the understanding of dedicated …

Thin, flexible, and invisible solar cells will be a ubiquitous technology in the near future.
Ultrathin crystalline silicon (c-Si) cells capitalize on the success of bulk silicon cells while …

Periodicity is usually assumed to be the necessary and sufficient condition for the formation
of band gaps, ie, energy bands with a suppressed density of states. Here, we check this …